VOLVO
EFI-0041 - Injector; Faulty signal
System
Elektronische Kraftstoffeinspritzung (EFI)
Volvo-Modelle, für die dieser Fehlercode gilt
Dieser Fehlercode hat je nach Modell, Modelljahr oder Motor unterschiedliche Bedeutungen. Wählen Sie die Bedeutung, die für Ihr Fahrzeug gilt.
Gilt für folgende Modelle:
2 ModelleS40 (1996–2004), V40 (1996–2004)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
The injectors are driven by the injector driver stage, and the code is set when something in that circuit is faulty. The cause may be defective injectors, a defective relay or driver stage, a short-circuit, an open circuit or contact resistance. The engine may then not fire on every cylinder, and it may not start.
Mögliche Ursachen
- Defective injectors
- Defective injector driver relay
- Defective injector driver stage
- Circuit shorted to ground or to supply voltage
- Open circuit in the circuit
- Contact resistance
Was Sie tun können
- 1Check the connectors to the injectors and the control module, looking for contact resistance and oxidation.
- 2With a diagnostic tool, run the engine at idle and switch off the injectors one at a time. Note any that leave engine speed unchanged.
- 3With a multimeter, check that the wires between the connectors and the injector driver stage are not broken.
- 4If the wiring is fine, the injector driver stage needs replacing. Have a workshop do this.
Symptome, die Sie bemerken können3
- The malfunction indicator lamp lights up
- The engine does not fire on all cylinders
- The engine does not start
Was der Fehler beeinflussen kann3
- The engine runs on a rich fuel mixture
- No EGR control takes place
- Low pressure in the fuel supply
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.